Tetrahedron Letters p. 5989 - 5992 (1989)
Update date:2022-07-29
Topics:
Kenji, Kawada
Moonsun, Kim
Watt, David S.
An enantioselective total synthesis of (+)-picrasin B (1) from the R-(-)-enantiomer of the Wieland-Miescher ketone (4) employed an A-AB-ABC-ABCD sequence to assemble the tetracyclic skeleton and relied upon a free radical cyclization of an α-bromoacetal to an enone in order to introduce the D ring and a manganese(III) acetate oxidation of a tricyclic enone intermediate in order to introduce the C-11 oxygen substituent.
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Doi:10.1021/om200088q
(2011)Doi:10.21577/0103-5053.20190009
(2019)Doi:10.1039/c39900000367
(1990)Doi:10.1080/00397910903222082
(2010)Doi:10.1016/j.jorganchem.2015.02.003
(2015)Doi:10.1002/jhet.561
(2011)
